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| Criterion |  Operations Gemba Walk |  Product Discovery Pretotyping |  Operations Kaizen Event |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-120 min | Stunden bis wenige Tage | 0.5-5 Tage |
Participantsdifferent | 2-6 | 1-4 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanObservationProcessOperations | ValidationDemandMVP | LeanContinuous improvementOperations |
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